Iowa Class C Knowledge Test Practice

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Passing target: 20/25 correct (TLA practice target)

Intersections & Right-of-WayStandalone practice

At a diverging diamond interchange, signs and signals guide your lane across to the left side of opposing traffic and later back to the usual side. What should you do?

Blue A approaches from the left in an eastbound through lane; silver B approaches from the right in the opposing westbound lane. The marked lanes cross at two signal-controlled points, with a bridge between them. Eastbound traffic uses the upper lane on the bridge and returns to the lower lane after the second crossover. Freeway ramps are outside this through-lane detail.

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An authorized emergency vehicle approaches from behind using its siren and flashing emergency lights. You can safely reach the right edge beyond the intersection. What should you do?You need to cross a rural divided four-lane highway. A median opening is large enough to hold your entire vehicle safely between the two directions. What is the manual’s recommended method?A child appears confused near the travel lane. What duty applies even outside a marked crosswalk?Before entering a highway from a private driveway, what sequence should a driver follow?You are in the left lane of a one-way street facing a circular red signal and intend to turn left onto another one-way street. No sign prohibits the turn. What is permitted?Your light is green, but stopped traffic leaves no room for your whole car beyond the intersection. What should you do?

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